Security device



FIG. 1 is a top and front perspective view of a security device showing my new design, shown in a closed position;

FIG. 2 is a bottom and rear perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left perspective view thereof, shown in an open position;

FIG. 6 is a right perspective view thereof, shown in an open position; and,

FIG. 7 is a front perspective view thereof, shown in an open position. 

I claim the ornamental design for a security device, as shown and described. 